Question

What's the 12 term of 2,-4,8,-16

Answer 1

Easy.

2, -4, 8, -16

Each term is being multiplied by -2.

So:

2, -4, 8, -16, 32......

Answer 2

It's by -2

Answer 3

2 times (-2)^(12-1)

Answer 4

-_- @greenlegodude57 you beat me to it :P

Answer 5

that was my best class in school.

Answer 6

2, -4, 8, -16, 32, -64, 128, -256, 512, -1024, 2048, -4096.

So -4096 is your answer :D

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Answer 7

Nuh nuh nuhh :D

Answer 8

@Aimee98 I'm a fast typer :P

Answer 9

*typist

Answer 10

I see )_)

Answer 11

@greenlegodude57 if you were to find 100th term woud you also multiply by 2 that many times ? (no offense )

Answer 12

:P sure lol

Answer 13

@SolomonZelman No, I wouldn't. I would use your method. It's definitely quicker and easier.